DTC P0817 [AW6A-EL, AW6AX-EL]


id050211802600

DTC P0817

Starter relay No.2 circuit malfunction (open circuit/short circuit)

DETECTION CONDITION
•  Any of the following conditions are met when ignition switch is at ON position:
―  0 V detected at TCM terminal A5 when in D range or R position
―  12 V detected at TCM terminal A5 when in P or N position
Diagnostic support note:
•  The MIL does not illuminate if the TCM detects the above malfunction condition during the first drive cycle.
•  A PENDING CODE is not available.
•  FREEZE FRAME DATA is available.
•  The AT warning light illuminates.
•  The DTC is stored in the TCM memory.
POSSIBLE CAUSE
•  Starter relay No.2 malfunction
•  Starter relay No.2 connector or terminal malfunction
•  Short to GND in wiring harness between starter relay No.2 terminal A and TCM terminal A5
•  TCM connector or terminal malfunction
•  Open circuit between starter relay No.2 terminal A and TCM terminal A5
•  TCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
•  Has the FREEZE FRAME DATA been recorded on the repair order?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
•  Verify related repair information availability.
•  Is any related repair information available?
Yes
Perform repair or diagnosis according to the available repair information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
INSPECT STARTER RELAY NO.2
•  Remove the starter relay No.2.
•  Inspect the starter relay No.2.
•  Is the starter relay No.2 normal?
Yes
Go to the next step.
No
Replace the starter relay No.2, then go to Step 8.
4
INSPECT STARTER RELAY NO.2 CONNECTOR FOR POOR CONNECTION
•  Inspect for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 8.
No
Go to the next step.
5
INSPECT STARTER RELAY NO.2 CONTROL CIRCUIT FOR SHORT TO GND
•  Disconnect the battery positive cable.
•  Inspect for continuity between starter relay No.2 terminal A (wiring harness-side) and body GND.
•  Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to GND, then go to Step 8.
No
Go to the next step.
6
INSPECT TCM CONNECTOR FOR POOR CONNECTION
•  Disconnect the TCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, and corrosion).
•  Is there any malfunction?
Yes
Repair or replace the terminal, then go to Step 8.
No
Go to the next step.
7
INSPECT STARTER RELAY NO.2 CONTROL CIRCUIT FOR OPEN CIRCUIT
•  Inspect for continuity between starter relay No.2 terminal A (wiring harness-side) and TCM terminal A5 (wiring harness-side).
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to next step.
8
VERIFY TROUBLESHOOTING OF DTC P0817 COMPLETED
•  Make sure to reconnect all the disconnected connectors.
•  Clear the DTC from the memory using the M-MDS.
•  Drive the vehicle in D range.
•  Is same DTC present?
Yes
Replace the TCM, then go to the next step.
No
Go to the next step.
9
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “After Repair Procedure”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.